"""Offscreen smoke tests for the command bar's image attachment."""
import os

import pytest

os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
pytest.importorskip("PySide6")

from PySide6.QtCore import QThreadPool  # noqa: E402
from PySide6.QtWidgets import QApplication  # noqa: E402

from woodshop.gui.command_bar import CommandBar  # noqa: E402
from woodshop.gui.controller import Controller  # noqa: E402

_app = QApplication.instance() or QApplication([])


def test_attach_sets_pending_and_chip(tmp_path):
    c = Controller(str(tmp_path / "s.json"))
    bar = CommandBar(c, QThreadPool.globalInstance())
    img = tmp_path / "chair.png"
    img.write_bytes(b"\x89PNG")
    bar._set_image(str(img))
    assert bar._pending_image == str(img)
    assert "chair.png" in bar.image_chip.text()
    bar._set_image(None)
    assert bar._pending_image is None and bar.image_chip.text() == ""


def test_send_with_only_image_uses_default_text(tmp_path, monkeypatch):
    c = Controller(str(tmp_path / "s.json"))
    bar = CommandBar(c, QThreadPool.globalInstance())
    calls = {}
    monkeypatch.setattr(bar, "_run", lambda text: calls.setdefault("text", text))
    bar._set_image(str(tmp_path / "x.png"))
    bar.input.clear()
    bar._send()
    assert calls["text"] == "build something like this"